<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表单控件——下拉选择框select元素</title>
    <link rel="stylesheet" href="../../css/bootstrap.min.css">
</head>
<body>
<form role="form">
    <div class="form-group">
        <select class="form-control">
            <option>1</option>
            <option>2</option>
            <option>3</option>
            <option>4</option>
            <option>5</option>
        </select>
    </div>
    <div class="form-group">
        <select multiple class="form-control">
            <option>1</option>
            <option>2</option>
            <option>3</option>
            <option>4</option>
            <option>5</option>
        </select>
    </div>

</form>
</body>
</html>